ANSI 57-2S Professional F Neck 12.5kN Line Post Porcelain Insulators
Description:
Line post porcelain insulators shall conform in all respects to the requirements of ANSI standard. The insulators shall be made of good commercial-grade wet-process porcelain.The entire surface of the insulator, with the exception of a firing surface, shall be glazed. If gray is required, it shall be in accordance with ANSI Z55.1-1967 (R1973). Metal parts shall be made of a good commercial grade of malleable iron, ductile iron, steel, or aluminum. Ferrous parts, other than stainless steel, shall be galvanized in accordance with ASTM A153.
Specifications:
1. Creepage distance 559mm
2. Cantilever strength 12.5kN
3. Low frequency flashover voltage
Dry 100kV
Wet 70kV
4. Critical impulse flashover voltage
Positive 160kV
Negtive 205kV
5. Radio influence voltage
Test voltage to ground 22kV
Max. RIV at 1000Hz 100μV
Applications:
ANSI 57-2S Line post insulators are designed to provide rigid support of conducting cable while offering the maximum resistance to damage from electrical or mechanical events.
Features:
Our porcelain insulators are manufactured using a wet porcelain process and cured in an environmentally controlled production facility to ensure a complete and even cure of the porcelain while also resulting in the highest quality surface finish.
Pre-sales service:
Choose the proper reactor type
Installation recommendations and to provide technical information
Satisfied users of the special design requirements
After-sales service:
Offer professional equipment installation instructing
Provide spare parts for wearing parts(such as post insulator, bolt, etc.)
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ANSI 57-2S Professional F Neck 12.5kN Line Post Porcelain Insulators Images
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